Question about IBM ThinkPad T22 2647 Notebook
Also cannot power on, only flashing once
Four things that could cause this. 1- power supply, check it for the proper output with an ohm meter, 2- bad battery, try starting with the supply only, 3- bad memory chip or slot, remove the memory, and try each chip one at a time in each slot, 4- failed power management system on the motherboard. Unfortunately, a failed power management system or chip is common with these, and the motherboard will have to be replaced in order to fix it.
Posted on Aug 20, 2008
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